Skip to main content

Thank you for visiting You are using a browser version with limited support for CSS. To obtain the best experience, we recommend you use a more up to date browser (or turn off compatibility mode in Internet Explorer). In the meantime, to ensure continued support, we are displaying the site without styles and JavaScript.


Into high gear: material made of cogs stiffens or flexes on command

Directly printed micro metamaterial consisting of Taiji gears.

An array of 3D-printed gears can shift from stiff to flowing. Credit: Fang, X., et al. Nature Mater.

Access options

Buy article

Get time limited or full article access on ReadCube.


All prices are NET prices.

Nature 606, 842 (2022)



  1. Fang, X. et al. Nature Mater. (2022).

    Article  Google Scholar 

Download references


Nature Careers


Nature Briefing

Sign up for the Nature Briefing newsletter — what matters in science, free to your inbox daily.

Get the most important science stories of the day, free in your inbox. Sign up for Nature Briefing


Quick links